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Suppose f(x, y) = - _ P = (3,4) and v = -1i - 1j. 1. Find the gradient of f. = (R'I)FA it 2.

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Suppose f(x, y) = - _ P = (3,4) and v = -1i - 1j. 1. Find the gradient of f. = (R'I)FA it 2. Find the gradient of f at the point P. Vf(P) = it 3. Find the directional derivative of f at P in the direction of v. Duf(P) = 4. Find the maximum rate of change of f at P. 5. Find the (unit) direction vector in which the maximum rate of change occurs at P. it

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